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Hitachi 0F23657 HUH728080AL5204 8TB 3.5in 12Gbps 7200RPM Ultrastar He8 512e SE SAS HDD – Brand New
Hitachi 0F23657 8000GB 3.5″ 12.0 Gbps 7.2K RPB Ultrastar Helium Platform Enterprise 512 Emulation Secure Erase (overwrite only) Serial Attached SCSI Hard Disk Drive – Brand New
Alt MPN: HUH728080AL5204
Highlights
- Industry-leading 8TB capacity in a standard 3.5-inch form factor
- Industry’s best Idle and Active power efficiency (Watts/TB).
- Reliable, field-proven, 2nd generation HelioSeal™ process and 7Stac™ design.
- Rebuild Assist mode shrinks RAID recovery time and nearly eliminates system performance degradation during rebuild.
- Double the capacity.
- 60% more power efficient (Watts/TB).
- 1.5X to 3X faster random write performance thanks to media cache architecture.
19% faster sequential read/write performance
Applications/Environments
- Enterprise and data center applications where capacity density and power efficiency are paramount
- Cloud and hyperscale storage
- Distributed file systems like Ceph™ and Hadoop® to support Big Data Analytics
- RAID arrays
- Video surveillance and content distribution
Massive scale-out (MSO), high-density data centers
| Weight | 0.650 kg |
|---|
| Drive Model | 0F23657 |
|---|---|
| Capacity | 8TB/8000GB |
| Interface | SAS 12Gbps |
| Performance | |
| Data buffer (MB) | 128 |
| Rotational Speed (RPM) | 7200 |
| Latency average (ms) | 4.16 |
| Interface transfer rate (MB/s max) | 1200 |
| Sustained transfer rate (Mib/s typical) | 195 |
| Sustained transfer (MB/s, typical) | 205 |
| Seek time (read/write,ms typical) | 8.5/9.0 |
| Reliability | |
| Error rate (non-recoverable, bits read) | 1 in 10 |
| Load/Unload cycles (at 40° C) | 600,000 |
| Availability (hrs/day x days/wk) | 24×7 |
| MTBF (M hours) | 2.0 |
| Acoustics | |
| Idle/Operating (Bels, typical) | 20./3.6 |
| Power | |
| Requirementy | +5 VDC, +12VDC |
| Operating | 9.1W |
| Idle (W) | 5.7W |
| Physical Size | |
| z-height (mm/in) | 6.9 |
| Typical Operating, Random Read (W) | 11.27 |
| Power Supply Requirements | +12V and +5V |
| Enviromental | |
| Temperature, Operating (°C) | 5 to 60 |
| Vibration, Nonoperating: 10Hz to 500Hz (Grms) | 5.0 |
| Shock, Operating, 2ms (Read/Write) (Gs) | 70/40 |
| Shock, Nonoperating, 1ms and 2ms (Gs) | 250 |
| Power consumption efficiency at Idle (MiB/s, typical) | 0.71 (8TB) |
| Power consumption efficiency at Idle (Watts/GB) | 0.00071 ((8TB) |
| Physical | |
| z-height (mm/in) | 6.9 |
| Width (mm/in) | 101.85/4.01 |
| Depth (mm/in) | 147/5.787 |
| Weight (g/lb) | 650/1.433 |
| Enviromental (Operating) | |
| Amblent temperature | 5º to 60º C |
| Shock (half-sine wave 2 ms, G) | 70 |
| Vibration (G RMS, 5 to 500 Hz) | 0.67 (XYZ) |
| Enviromental (Non-Operating) | |
| Ambient temperature | -40o to 70o C |
| Shock (half-sine wave, 1ms, G) | 300(1ms)/150(11ms) |
| Vibration (G RMS, 5 to 500 Hz) | 1.04 (XYZ) |
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